ASTM-51275 Standard Practice for Use of a Radiochromic Film Dosimetry System

ASTM-51275 - 2013 EDITION - CURRENT
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Standard Practice for Use of a Radiochromic Film Dosimetry System
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Scope

1.1 This is a practice for using radiochromic film dosimetry systems to measure absorbed dose in materials irradiated by photons or electrons in terms of absorbed dose to water. Radiochromic film dosimetry systems are generally used as routine dosimetry systems.

1.2 The radiochromic film dosimeter is classified as a Type II dosimeter on the basis of the complex effect of influence quantities. See ASTM Practice E2628.

1.3 This document is one of a set of standards that provides recommendations for properly implementing dosimetry in radiation processing, and describes a means of achieving compliance with the requirements of ASTM E2628 Practice for Dosimetry in Radiation Processing for a radiochromic film dosimetry system. It is intended to be read in conjunction with ASTM E2628.

1.4 This practice covers the use of radiochromic film dosimetry systems under the following conditions:

1.4.1 The absorbed dose range is 1 Gy to 150 kGy.

1.4.2 The absorbed dose rate is 1 × 10-2 to 1 × 1013 Gy·s-1 (1-4).

1.4.3 The photon energy range is 0.1 to 50 MeV.

1.4.4 The electron energy range is 70 keV to 50 MeV.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Significance and Use

The radiochromic film dosimetry system provides a means for measuring absorbed dose based on radiation-induced change in color using spectrophotometers, densitometers or scanned images.

Radiochromic film dosimetry systems are commonly used in industrial radiation processing, for example in the sterilization of medical devices and the irradiation of foods.

Keywords

absorbed dose; dose; dosimeter; dosimetry system; electron beam; gamma radiation; ionizing radiation; irradiation; radiation; radiation processing; radiation sterilization; radiochromic film; ICS Number Code 17.240 (Radiation measurements); 37.040.25 (Radiographic films)

To find similar documents by ASTM Volume:

12.02 (Nuclear (II), Solar, and Geothermal Energy)

To find similar documents by classification:

17.240 (Radiation measurements Including dosimetry Radiation protection, see 13.280)

37.040.25 (Radiographic films Including dental, medical and industrial radiographic films)

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Document Number

ISO/ASTM51275:2013

Revision Level

2013 EDITION

Status

Current

Modification Type

Revision

Publication Date

March 1, 2013

Document Type

ISO/ASTM

Page Count

6 pages

Committee Number

E61.02